ICD-10-CM > S00-T88 > S90-S99 > S96 > S96.1 > S96.19 > S96.199 S96.199 Other specified injury of muscle and tendon of long extensor muscle of toe at ankle and foot level, unspecified foot Non-Billable/Non-Specific Codes S96.199A..., initial encounterS96.199D..., subsequent encounterS96.199S..., sequela